HP HPE FlexNetwork 7500 series Configuration Manual page 127

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Configure OSPF on all switches and split AS into three areas.
•
Configure Switch A and Switch B as ABRs to forward routing information between areas.
•
Configure Area 1 as an NSSA area and configure Switch C as an ASBR to redistribute static
routes into the AS.
Figure 28 Network diagram
Switch A
Area 1
Vlan-int200
NSSA
10.2.1.2/24
Switch C
Configuration procedure
1. Configure IP addresses for interfaces.
2. Enable OSPF (see
3. Configure Area 1 as an NSSA area:
# Configure Switch A.
<SwitchA> system-view
[SwitchA] ospf
[SwitchA-ospf-1] area 1
[SwitchA-ospf-1-area-0.0.0.1] nssa
[SwitchA-ospf-1-area-0.0.0.1] quit
[SwitchA-ospf-1] quit
# Configure Switch C.
<SwitchC> system-view
[SwitchC] ospf
[SwitchC-ospf-1] area 1
[SwitchC-ospf-1-area-0.0.0.1] nssa
[SwitchC-ospf-1-area-0.0.0.1] quit
[SwitchC-ospf-1] quit
# Display OSPF routing information on Switch C.
[SwitchC] display ospf routing
Routing for network
Destination
10.2.1.0/24
10.3.1.0/24
10.4.1.0/24
Area 0
Vlan-int100
10.1.1.1/24
Vlan-int100
10.1.1.2/24
Vlan-int200
10.2.1.1/24
Area 2
ASBR
Vlan-int300
Vlan-int300
10.5.1.1/24
10.4.1.1/24
"Basic OSPF configuration
OSPF Process 1 with Router ID 10.4.1.1
Routing Table
Topology base (MTID 0)
Cost
3
7
3
Switch B
Vlan-int200
10.3.1.1/24
Vlan-int200
10.3.1.2/24
Switch D
example").
Type NextHop
Transit 10.2.1.2
Inter 10.2.1.1
Stub 10.4.1.1
115
AdvRouter Area
10.4.1.1 0.0.0.1
10.2.1.1 0.0.0.1
10.4.1.1 0.0.0.1